createsampleorders.java

网络商店源代码用NetBeans6.1Beta开发

package servlet;

import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.math.BigDecimal;

import model.*;
import util.*;

public class CreateSampleOrders extends HttpServlet {

  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    HttpSession session = request.getSession();
    
    ProductsBean pb = (ProductsBean) session.getAttribute("pb");
    if (pb == null) {
      pb = new ProductsBean();
      session.setAttribute("pb", pb);
    }
    OrdersBean ob = (OrdersBean) session.getAttribute("ob");
    if (ob == null) {
      ob = new OrdersBean();
      session.setAttribute("ob", ob);
    }
    try {
      out.println("<p>Create Order Table</p>");
      ob.createTable();

      String user;
      List<OrderItem> what_ordered;
      Order order;

      out.println("<p>Jim: first order</p>");
      user = "Jim";
      what_ordered = new ArrayList<OrderItem>();
      what_ordered.add(new OrderItem(5, 2, new BigDecimal(14.50)));
      what_ordered.add(new OrderItem(6, 1, new BigDecimal(29.00)));

      order = new Order(user.toUpperCase(), what_ordered);
  
      ob.create(order);
      util.OrderHelper.printOrder(order, pb, out);

      out.println("<p>Zach: first order</p>");
      user = "Zach";
      what_ordered = new ArrayList<OrderItem>();
      what_ordered.add(new OrderItem(7, 1, new BigDecimal(29.99)));
      what_ordered.add(new OrderItem(1, 3, new BigDecimal(27.90)));

      order = new Order(user.toUpperCase(), what_ordered);
      ob.create(order);
      util.OrderHelper.printOrder(order, pb, out);
      
      out.println("<p>Jim: second order</p>");
      user = "Jim";
      what_ordered = new ArrayList<OrderItem>();
      what_ordered.add(new OrderItem(4, 5, new BigDecimal(39.99)));

      order = new Order(user.toUpperCase(), what_ordered);
      ob.create(order);
      util.OrderHelper.printOrder(order, pb, out);

    } catch (Exception x) {
      x.printStackTrace();
    } finally {
      out.close();
    }
  }

  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
  /** 
   * Handles the HTTP <code>GET</code> method.
   * @param request servlet request
   * @param response servlet response
   */
  protected void doGet(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }

  /** 
   * Handles the HTTP <code>POST</code> method.
   * @param request servlet request
   * @param response servlet response
   */
  protected void doPost(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
    processRequest(request, response);
  }

  /** 
   * Returns a short description of the servlet.
   */
  public String getServletInfo() {
    return "Short description";
  }
  // </editor-fold>
}